120   VFile *pVFile;          /* The underlying file */  member
1342   VFile *pVFile = p->pVFile;  in inmemClose()  local
1343   pVFile->nRef--;  in inmemClose()
1344   if( pVFile->nRef==0 && pVFile->zFilename==0 ){  in inmemClose()
1345     pVFile->sz = -1;  in inmemClose()
1346     free(pVFile->a);  in inmemClose()
1347     pVFile->a = 0;  in inmemClose()
1358   VFile *pVFile = pHandle->pVFile;  in inmemRead()  local
1359   if( iOfst<0 || iOfst>=pVFile->sz ){  in inmemRead()
1363   if( iOfst+iAmt>pVFile->sz ){  in inmemRead()
1365     iAmt = (int)(pVFile->sz - iOfst);  in inmemRead()
1366     memcpy(pData, pVFile->a + iOfst, iAmt);  in inmemRead()
1369   memcpy(pData, pVFile->a + iOfst, iAmt);  in inmemRead()
1379   VFile *pVFile = pHandle->pVFile;  in inmemWrite()  local
1380   if( iOfst+iAmt > pVFile->sz ){  in inmemWrite()
1384     pVFile->a = safe_realloc(pVFile->a, (int)(iOfst+iAmt));  in inmemWrite()
1385     if( iOfst > pVFile->sz ){  in inmemWrite()
1386       memset(pVFile->a + pVFile->sz, 0, (int)(iOfst - pVFile->sz));  in inmemWrite()
1388     pVFile->sz = (int)(iOfst + iAmt);  in inmemWrite()
1390   memcpy(pVFile->a + iOfst, pData, iAmt);  in inmemWrite()
1395   VFile *pVFile = pHandle->pVFile;  in inmemTruncate()  local
1396   if( pVFile->sz>iSize && iSize>=0 ) pVFile->sz = (int)iSize;  in inmemTruncate()
1403   *pSize = ((VHandle*)pFile)->pVFile->sz;  in inmemFileSize()
1465   VFile *pVFile = createVFile(zFilename, 0, (unsigned char*)"");  in inmemOpen()  local
1467   if( pVFile==0 ){  in inmemOpen()
1470   pHandle->pVFile = pVFile;  in inmemOpen()
1471   pVFile->nRef++;  in inmemOpen()
1485   VFile *pVFile = findVFile(zFilename);  in inmemDelete()  local
1486   if( pVFile==0 ) return SQLITE_OK;  in inmemDelete()
1487   if( pVFile->nRef==0 ){  in inmemDelete()
1488     free(pVFile->zFilename);  in inmemDelete()
1489     pVFile->zFilename = 0;  in inmemDelete()
1490     pVFile->sz = -1;  in inmemDelete()
1491     free(pVFile->a);  in inmemDelete()
1492     pVFile->a = 0;  in inmemDelete()
1506   VFile *pVFile = findVFile(zFilename);  in inmemAccess()  local
1507   *pResOut =  pVFile!=0;  in inmemAccess()